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Negative-size-param in wc_Sha3_256_Final

Type: advisorySources: OSV

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50953 ``` Crash type: Negative-size-param Crash state: wc_Sha3_256_Final wc_Hash wc_RsaPad_ex ```

Products
wolfssl
Affected versions
Not specified
Fixed versions
Not specified
CVEs
Not specified
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 08:16 UTC · Revision 1

Source evidence

Negative-size-param in wc_Sha3_256_Final

core-osv · Original source

Published 5 Sept 2022, 00:00 UTC

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50953 ``` Crash type: Negative-size-param Crash state: wc_Sha3_256_Final wc_Hash wc_RsaPad_ex ```

osv:OSV-2022-840

wolfssl

Fixed versions: Not specified

Complete source record
{
  "id": "ca96e3ff5365a945912b0bb21e1d7580ac861104f9893447efe39375d05e437d",
  "url": "https://osv.dev/vulnerability/OSV-2022-840",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Negative-size-param in wc_Sha3_256_Final",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50953 ``` Crash type: Negative-size-param Crash state: wc_Sha3_256_Final wc_Hash wc_RsaPad_ex ```",
    "evidence": "osv:OSV-2022-840",
    "products": [
      {
        "name": {
          "value": "wolfssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2022-840",
      "aliases": [
        "OSV-2022-840"
      ],
      "affected": [
        {
          "package": {
            "name": "wolfssl",
            "purl": "pkg:generic/wolfssl",
            "ecosystem": "OSS-Fuzz"
          },
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfssl/OSV-2022-840.yaml"
          },
          "ecosystem_specific": {
            "severity": null
          }
        }
      ],
      "modified": "2026-10-19T14:42:06.259311Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50953"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 375206,
  "published_at": "2022-09-05T00:00:13.232523+00:00"
}